Skyjack SJ46 AJ+ Service Manual

155
229042ABASJ46 AJ+, SJ46 AJ, SJ51 AJ
Electrical System - CE & AS Section 4 – Troubleshooting Information
6. Loose or broken wire #02 from turret harness pin
plug platform level up valve 4H-41.
Check continuity. Replace if defective
7. Defective platform level up valve coil 4H-41. Check continuity and resistance through coil.
Replace if defective.
No Manual Platform Level Down
1. Loose or broken wire #10A from ignition/ pump
switch S5 to platform level switch S15.
Check continuity. Replace if defective
2. Defective platform level switch S15. Check continuity through switch while activating
level down function between wires #10A and #40.
If no continuity found replace switch.
3. Loose or broken wire #40 from platform level
switch S15 to base terminal block.
Check continuity. Replace if defective
4. Loose or broken wire #40 from base terminal
block to main harness pin plug pin#15.
Check continuity. Replace if defective
5. Loose or broken wire #40 from main harness pin
plug pin#16 platform level down valve 4H-40.
Check continuity. Replace if defective
6. Loose or broken wire #02 from turret harness pin
plug platform level down valve 4H-40.
Check continuity. Replace if defective
7. Defective platform level down valve coil 4H-40. Check continuity and resistance through coil.
Replace if defective.
4.3-8 All Controls Inoperative From Platform Control Console
1. Open or defective emergency stop switch S4. Pull emergency switch out. Check continuity
through switch. Replace if defective.
2. Loose or broken wire #4A from emergency stop
switch S4 to platform start switch S9.
Check continuity. Replace if defective.
3. Loose or broken wire #4 platform start switch S9
to platform terminal block.
Check continuity. Replace if defective.
4. Loose or broken pin jumper between #04
and #04A on platform terminal block (without
generator option only).
Check continuity. Replace if defective.
5. Loose or broken wire #04 from platform terminal
block to generator switch S22 (generator option
only).
Check continuity. Replace if defective.
6. Generator switch S22 in generator mode or is
open or defective (generator option only).
Select OFF mode on generator switch. Check
continuity through switch from #04 to #04A.
Replace if defective
7. Loose or broken wire #04A from generator
switch S22 to platform terminal block (generator
option only).
Check continuity. Replace if defective.
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Skyjack SJ46 AJ+ Specifications

General

Brand	Skyjack
Model	SJ46 AJ+
Category	Boom Lifts
Language	English